Povidone-iodine, also known as iodopovidone, is an antiseptic used for skin disinfection before and after surgery. It may be used both to disinfect the hands of healthcare providers and the skin of the person they are caring for. It may also be used for minor wounds.

Crospovidone (cross linked polyvinyl N-pyrrolidone, or PVP) is a common, FDA-approved inactive ingredient used in the pharmaceutical industry. Crospovidone is often combined with active ingredients in medications and dietary supplements to allow absorption of the active drug.